/* ================= GLOBAL ================= */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', 'Helvetica', sans-serif;
}

body {
    line-height: 1.6;
    color: #fff;
    background-color: #000;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
}

/* ================= HEADER ================= */

.site-header {
    background: rgba(0, 0, 0, 0.85);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.header-container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    color: #fff;
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: 1px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    font-size: 1rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    padding: 5px 0;
}

.nav-links a:hover {
    opacity: 0.75;
    border-bottom: 2px solid #fff;
}

/* ================= BACKGROUNDS ================= */

.home-page,
.research-page,
.other-page {
    position: relative;
    min-height: 100vh;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.home-page {
    background-image: url("images/home-bg.jpg");
}

.research-page {
    background-image: url("images/research-bg.jpg");
}

.other-page {
    background-image: url("images/other-bg.jpg");
}

/* Dark overlay */
.home-page::before,
.research-page::before,
.other-page::before {
    content: "";
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    z-index: -1;
}

/* ================= HERO ================= */

.hero {
    text-align: center;
    padding: 180px 20px;
    background: transparent;
}

.hero h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.hero p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: auto;
    line-height: 1.8;
}

/* ================= BUTTON ================= */

.btn {
    display: inline-block;
    margin-top: 25px;
    padding: 12px 28px;
    background: #fff;
    color: #111;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.2);
}

.btn:hover {
    background: #e0e0e0;
    transform: translateY(-2px);
}

/* ================= FOOTER ================= */

footer {
    background: rgba(0, 0, 0, 0.85);
    color: #fff;
    text-align: center;
    padding: 20px 0;
    font-size: 0.95rem;
}
/* ================= CV PAPER ================= */

.cv-wrapper {
    display: flex;
    justify-content: center;
    padding: 60px 20px;
}

.cv-paper {
    background: rgba(255, 255, 255, 0.95);
    color: #111;
    padding: 40px;
    border-radius: 10px;
    max-width: 900px;
    width: 100%;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    line-height: 1.6;
}

.cv-paper h1 {
    font-size: 2rem;
    margin-bottom: 10px;
    text-align: center;
}

.cv-paper h2 {
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 15px;
    border-bottom: 2px solid #111;
    padding-bottom: 5px;
}

.cv-paper ul {
    list-style-type: disc;
    padding-left: 20px;
}

.cv-paper ul ul {
    list-style-type: circle;
    padding-left: 20px;
}

.cv-paper a {
    color: #111;
    text-decoration: underline;
}

.cv-paper a:hover {
    color: #444;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .cv-paper {
        padding: 25px;
    }

    .cv-paper h1 {
        font-size: 1.6rem;
    }

    .cv-paper h2 {
        font-size: 1.2rem;
    }
}

/* ================= RESPONSIVE ================= */

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        gap: 20px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 120px 20px;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }
}